part of inner tube posterolateral spiracular lobe posterolateral spiracular lobe plate I Fig 60,61,63,64 Abbr: PSLP' in ISBN:0-937548-00-6. In culicine and toxorhynchitine larvae, the inner sclerite (that nearest the spiracular openings) of one of the posterolateral spiracular lobes of the spiracular apparatus; apparently part of the median plate in anopheline larvae. TGMA:0001255 TGMA:0001255 default_namespace inner flap of ventral valve ventral piece ventral piece of inner tube median plate inner flap